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A lear 60 on initial climb at 3000 ft diverted due to loss of #1 engine oil caused by a defective oil filler cap.
| Attributes | |
| ACN | 496321 |
| Time | |
| Date | 200012 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Learjet 31 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | climbout : initial |
| Route In Use | departure : other published ifr departure |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 90 flight time total : 6800 flight time type : 850 |
| ASRS Report | 496321 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : landed in emergency condition |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
We were departing ZZZ for aus. In the climb out through 3000 ft, the left oil pressure light came on, and the oil pressure dropped to zero. The oil temperature was normal and stayed the same through the flight. Idle thrust was immediately selected and we turned downwind for a visual approach to our departure runway. We shut the engine down after landing, approximately 3 mins later. After securing the aircraft, an oil stain was noticed on the left nacelle and delta fin. The left oil cap was seated in place with the tab up. My first officer reported on the preflight inspection that both oil caps were secure. We spoke with the person that svced the oil, and he said the caps were secured. The aircraft was checked out and released for flight several days later with a new oil cap.
Original NASA ASRS Text
Title: A LEAR 60 ON INITIAL CLB AT 3000 FT DIVERTED DUE TO LOSS OF #1 ENG OIL CAUSED BY A DEFECTIVE OIL FILLER CAP.
Narrative: WE WERE DEPARTING ZZZ FOR AUS. IN THE CLBOUT THROUGH 3000 FT, THE L OIL PRESSURE LIGHT CAME ON, AND THE OIL PRESSURE DROPPED TO ZERO. THE OIL TEMP WAS NORMAL AND STAYED THE SAME THROUGH THE FLT. IDLE THRUST WAS IMMEDIATELY SELECTED AND WE TURNED DOWNWIND FOR A VISUAL APCH TO OUR DEP RWY. WE SHUT THE ENG DOWN AFTER LNDG, APPROX 3 MINS LATER. AFTER SECURING THE ACFT, AN OIL STAIN WAS NOTICED ON THE L NACELLE AND DELTA FIN. THE L OIL CAP WAS SEATED IN PLACE WITH THE TAB UP. MY FO RPTED ON THE PREFLT INSPECTION THAT BOTH OIL CAPS WERE SECURE. WE SPOKE WITH THE PERSON THAT SVCED THE OIL, AND HE SAID THE CAPS WERE SECURED. THE ACFT WAS CHKED OUT AND RELEASED FOR FLT SEVERAL DAYS LATER WITH A NEW OIL CAP.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.